72 lines
3.3 KiB
Java
72 lines
3.3 KiB
Java
/*******************************************************************************
|
|
* Copyright (c) 2008 IBM Corporation.
|
|
* All rights reserved. This program and the accompanying materials
|
|
* are made available under the terms of the Eclipse Public License v1.0
|
|
* which accompanies this distribution, and is available at
|
|
* http://www.eclipse.org/legal/epl-v10.html
|
|
*
|
|
* Contributors:
|
|
* IBM Corporation - initial API and implementation
|
|
*******************************************************************************/
|
|
package com.ibm.wala.core.tests.ptrs;
|
|
|
|
import java.io.IOException;
|
|
|
|
import junit.framework.Assert;
|
|
|
|
import org.junit.Test;
|
|
|
|
import com.ibm.wala.core.tests.callGraph.CallGraphTestUtil;
|
|
import com.ibm.wala.core.tests.util.TestConstants;
|
|
import com.ibm.wala.ipa.callgraph.AnalysisCache;
|
|
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
|
|
import com.ibm.wala.ipa.callgraph.AnalysisScope;
|
|
import com.ibm.wala.ipa.callgraph.CGNode;
|
|
import com.ibm.wala.ipa.callgraph.CallGraph;
|
|
import com.ibm.wala.ipa.callgraph.CallGraphBuilder;
|
|
import com.ibm.wala.ipa.callgraph.Entrypoint;
|
|
import com.ibm.wala.ipa.callgraph.impl.Everywhere;
|
|
import com.ibm.wala.ipa.callgraph.impl.Util;
|
|
import com.ibm.wala.ipa.callgraph.propagation.HeapModel;
|
|
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
|
|
import com.ibm.wala.ipa.callgraph.propagation.PointerAnalysis;
|
|
import com.ibm.wala.ipa.cha.ClassHierarchy;
|
|
import com.ibm.wala.ipa.cha.ClassHierarchyException;
|
|
import com.ibm.wala.types.ClassLoaderReference;
|
|
import com.ibm.wala.types.MethodReference;
|
|
import com.ibm.wala.types.Selector;
|
|
import com.ibm.wala.types.TypeReference;
|
|
import com.ibm.wala.util.CancelException;
|
|
import com.ibm.wala.util.intset.OrdinalSet;
|
|
|
|
public class ZeroLengthArrayTest {
|
|
|
|
@Test
|
|
public void testZeroLengthArray() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
|
|
AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA,
|
|
CallGraphTestUtil.REGRESSION_EXCLUSIONS);
|
|
ClassHierarchy cha = ClassHierarchy.make(scope);
|
|
Iterable<Entrypoint> entrypoints = com.ibm.wala.ipa.callgraph.impl.Util.makeMainEntrypoints(scope, cha,
|
|
TestConstants.ZERO_LENGTH_ARRAY_MAIN);
|
|
AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
|
|
|
|
CallGraphBuilder builder = Util.makeVanillaZeroOneCFABuilder(options, new AnalysisCache(), cha, scope);
|
|
CallGraph cg = builder.makeCallGraph(options, null);
|
|
PointerAnalysis<InstanceKey> pa = builder.getPointerAnalysis();
|
|
// System.err.println(pa);
|
|
|
|
HeapModel heapModel = pa.getHeapModel();
|
|
CGNode mainNode = cg.getNode(
|
|
cha.resolveMethod(MethodReference.findOrCreate(
|
|
TypeReference.findOrCreate(ClassLoaderReference.Application, TestConstants.ZERO_LENGTH_ARRAY_MAIN),
|
|
Selector.make("main([Ljava/lang/String;)V"))), Everywhere.EVERYWHERE);
|
|
OrdinalSet<InstanceKey> pointsToSet = pa.getPointsToSet(heapModel.getPointerKeyForLocal(mainNode, 4));
|
|
Assert.assertEquals(1, pointsToSet.size());
|
|
InstanceKey arrayKey = pointsToSet.iterator().next();
|
|
OrdinalSet<InstanceKey> arrayContents = pa.getPointsToSet(heapModel.getPointerKeyForArrayContents(arrayKey));
|
|
System.err.println(arrayContents);
|
|
Assert.assertEquals(0, arrayContents.size());
|
|
|
|
}
|
|
}
|